.btn { 
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  min-height: 2.9rem; 
  padding: 0.62rem 1.05rem;
  border-radius: 0.85rem; 
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem; 
  transition: background-color var(--transition-medium), border-color var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium);
  border: 1px solid rgba(74, 108, 140, 0.18);
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--button-shadow, var(--shadow-soft));
}
.btn-primary { 
  background: linear-gradient(180deg, #587A9B 0%, #426583 100%); 
  color: var(--color-text-on-primary); 
  border-color: #426583; 
}
.btn-secondary { 
  background: linear-gradient(180deg, var(--surface-raised, #FFFFFF) 0%, var(--surface-soft-blue, #F4F8FC) 100%); 
  color: var(--color-primary-dark); 
  border-color: rgba(74, 108, 140, 0.26); 
}
.btn-large { 
  padding: var(--space-md) var(--space-xl); 
  font-size: var(--font-size-md); 
}

@media (any-hover:hover) {
  .btn-primary:hover { 
    background: linear-gradient(180deg, #5F82A4 0%, #355B78 100%); 
    transform: translateY(-0.08rem); 
    box-shadow: var(--button-shadow-hover, var(--shadow-medium)); 
  }
  .btn-secondary:hover { 
    background: linear-gradient(180deg, #FFFFFF 0%, #EAF2F8 100%); 
    color: var(--color-primary-dark);
    border-color: rgba(74, 108, 140, 0.38);
    box-shadow: var(--button-shadow-hover, var(--shadow-medium));
  }
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-soft);
}

.header {
  background-color: var(--color-surface);
  position: fixed; 
  top: 0; left: 0; right: 0; 
  width: 100%;
  z-index: var(--z-header);
  border-bottom: 1px solid var(--color-border);
}
.header[data-elevated="true"] { 
  box-shadow: var(--shadow-medium); 
}

.gnb { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  max-width: var(--width-max-container); 
  margin-inline: auto; 
  height: var(--header-height); 
  padding: var(--space-md); 
}

.logo-stacked { 
  display: flex; 
  flex-direction: column; 
  align-items: flex-start; 
  line-height: 1.2; 
  margin-right: var(--space-lg); 
  flex-shrink: 0; 
  text-decoration: none; 
  transition: opacity var(--transition-fast); 
}
.logo-main { 
  font-size: 1.375rem; 
  font-weight: 900; 
  color: var(--color-primary); 
  letter-spacing: 0; 
}
.logo-sub { 
  font-size: 0.6875rem; 
  font-weight: 500; 
  color: var(--color-text-light); 
}
@media(any-hover:hover) {
  .logo-stacked:hover { opacity: .8; }
}

.nav-menu { 
  display: flex; 
  gap: var(--space-sm); 
  flex-grow: 1; 
  justify-content: center; 
  list-style: none; 
}
.nav-item { 
  position: relative; 
}
.nav-link {
  display: flex; 
  align-items: center; 
  justify-content: center;
  line-height: 1; 
  padding: var(--space-sm) var(--space-md);
  height: 100%; 
  font-weight: var(--font-weight-semibold);
  color: var(--color-text); 
  letter-spacing: 0;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}
.nav-link.active { 
  color: var(--color-primary); 
}
@media (any-hover:hover) {
  .nav-link:hover { 
    background-color: var(--color-primary-lighter); 
    color: var(--color-primary); 
  }
}

.auth-buttons { 
  display: flex; 
  gap: var(--space-xs); 
}

.sub-menu {
  position: absolute; 
  top: 100%; 
  left: 50%;
  transform: translateX(-50%) translateY(0.625rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--ui-panel-radius, var(--border-radius-base));
  box-shadow: var(--ui-shadow-hover, var(--shadow-medium));
  padding: var(--space-xs);
  min-width: 14rem;
  
  opacity: 0; 
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  will-change: opacity, transform;
  z-index: var(--z-menu);
}
.nav-item.edge-left  .sub-menu { left: 0; right: auto; transform: translateY(0.625rem); }
.nav-item.edge-right .sub-menu { left: auto; right: 0; transform: translateY(0.625rem); }

.sub-menu-link {
  display: flex; 
  align-items: center; 
  gap: var(--space-xs);
  color: var(--color-text); 
  padding: .25rem var(--space-md);
  font-size: 0.95rem; 
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  position: relative; 
  white-space: nowrap; 
  text-decoration: none;
  font-weight: var(--font-weight-medium); 
}


.sub-menu-link .emoji { 
  font-size: 1.2em; 
  vertical-align: -0.1em; 
}
.sub-menu-link .emoji { 
  font-size: 1rem; 
  width: 1.25rem; 
  text-align: center; 
  flex-shrink: 0; 
}
.nav-item:focus-within > .sub-menu {
  opacity: 1; 
  visibility: visible;
  transform: translateX(-50%) translateY(0.375rem);
}
@media (any-hover: hover) {
  .nav-item:hover > .sub-menu {
    opacity: 1; 
    visibility: visible;
    transform: translateX(-50%) translateY(0.375rem);
  }
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  cursor: pointer;
  margin-left: auto;
  border: 0;
  background: none;
  padding: 0;
}
.mobile-menu-toggle span { 
  width: 1.5rem; 
  height: 0.125rem; 
  flex: 0 0 auto;
  background-color: var(--color-primary); 
  transition: transform var(--transition-medium), opacity var(--transition-medium); 
  transform-origin: center; 
  will-change: transform; 
}
.mobile-menu-toggle.is-active span:nth-of-type(1) { transform: translateY(0.375rem) rotate(45deg); }
.mobile-menu-toggle.is-active span:nth-of-type(2) { opacity: 0; }
.mobile-menu-toggle.is-active span:nth-of-type(3) { transform: translateY(-0.375rem) rotate(-45deg); }

@media (max-width: 48rem) {
  .nav-menu,
  .auth-buttons {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .gnb {
    justify-content: space-between;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--ui-card-radius, var(--border-radius-base));
  box-shadow: var(--ui-shadow-rest, var(--shadow-soft));
  margin-bottom: var(--space-xxl);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}
.card > .card-header { 
  padding: var(--space-lg); 
  border-bottom: 1px solid var(--color-border-light); 
}
.card-title {
  color: var(--color-primary-dark);
  font-size: clamp(1.125rem, 1.35vw, 1.45rem);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: 0;
  line-height: 1.25;
}
.card-title i {
  color: var(--color-primary);
  font-size: 0.9em;
}
.card > .card-body { 
  padding: clamp(1rem, 2vw, 1.5rem); 
}
.card-body h3 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 0.125rem solid var(--color-primary-lighter);
}
.card-body h3:first-of-type {
    margin-top: 0;
}

.tooltip {
  position: absolute; 
  top: 50%; 
  inset-inline-start: 100%; 
  transform: translateY(-50%);
  width: max-content; 
  background: var(--color-surface); 
  color: var(--color-text-light);
  padding: .625rem .875rem; 
  border-radius: var(--ui-panel-radius, var(--border-radius-base));
  font-size: 0.95rem; 
  line-height: 1.6; 
  box-shadow: var(--ui-shadow-hover, var(--shadow-medium));
  border: 1px solid var(--color-border-light);
  opacity: 0; 
  visibility: hidden; 
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
  will-change: opacity; 
  z-index: var(--z-tooltip); 
  pointer-events: none; 
  margin-inline-start: .75rem;
  white-space: normal; 
  word-break: keep-all; 
  overflow-wrap: anywhere; 
  max-width: min(80vw, 36ch); 
  text-align: center;
}
.tooltip::before { 
  content: ''; 
  position: absolute; 
  top: 50%; 
  inset-inline-end: 100%; 
  transform: translateY(-50%); 
  border: .375rem solid transparent; 
  border-inline-end-color: var(--color-border-light); 
}
.sub-menu-link:focus-visible .tooltip,
.tooltip-wrapper.is-tooltip-open .tooltip,
.tooltip-wrapper:hover .tooltip,
.tooltip-wrapper:focus-within .tooltip,
.sub-menu-link:hover .tooltip { 
  opacity: 1; 
  visibility: visible; 
}

.u-nowrap { 
  white-space: nowrap; 
}
.u-break-words { 
  overflow-wrap: anywhere; 
  word-break: break-all; 
}
.u-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.u-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.site-chrome-menu {
  min-width: 18rem;
  max-height: min(70vh, 32rem);
  overflow-y: auto;
}

.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-section);
  color: var(--color-text-light);
}

.footer-container {
  max-width: var(--width-max-container);
  margin-inline: auto;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.footer-nav-list a {
  font-family: var(--font-family-ko, "Pretendard Variable", "Pretendard", system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.footer-nav-list a:hover,
.footer-nav-list a:focus-visible {
  color: var(--color-primary-dark);
}

.footer-nav-list .nav-icon {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", emoji, sans-serif;
  width: 1.2em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.08em;
  line-height: 1;
  flex-shrink: 0;
}

.footer-nav-list .nav-text {
  font-family: var(--font-family-ko, "Pretendard Variable", "Pretendard", system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif);
  white-space: nowrap;
  word-break: keep-all;
}

.footer-legal {
  text-align: center;
  font-size: var(--font-size-sm);
  max-width: 100%;
  min-width: 0;
}

.legal-bottom-line,
.copyright-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  max-width: 100%;
  min-width: 0;
}

.copyright {
  overflow-wrap: anywhere;
  word-break: keep-all;
}

.tooltip-wrapper {
  position: relative;
  display: inline-flex;
}

.re-alive {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
}

.site-footer .tooltip {
  top: auto;
  bottom: calc(100% + 0.75rem);
  inset-inline-start: 50%;
  transform: translateX(-50%);
  min-width: 21.875rem;
  max-width: calc(100vw - 2rem);
  margin-inline-start: 0;
  transition: opacity var(--transition-medium), visibility var(--transition-medium), transform var(--transition-medium);
}

.site-footer .tooltip::before {
  top: 100%;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  border-width: 0.375rem;
  border-style: solid;
  border-color: var(--color-primary) transparent transparent transparent;
}

@media (max-width: 48rem) {
  .site-footer .tooltip {
    position: fixed;
    inset-inline: 1rem;
    bottom: calc(5.25rem + env(safe-area-inset-bottom, 0px));
    width: auto;
    min-width: 0;
    max-width: none;
    margin: 0;
    transform: none;
    text-align: center;
  }

  .site-footer .tooltip::before {
    content: none;
  }

  .site-footer .tooltip-wrapper:is(:hover, :focus-within, .is-tooltip-open) .tooltip {
    transform: none;
  }
}

.site-footer .tooltip-wrapper:is(:hover, :focus-within, .is-tooltip-open) .tooltip {
  transform: translateX(-50%) translateY(-0.25rem);
}

@media (max-width: 48rem) {
  .site-footer .tooltip-wrapper:is(:hover, :focus-within, .is-tooltip-open) .tooltip {
    transform: none;
  }
}

.donation-tooltip p {
  font-size: inherit;
  line-height: inherit;
}

.mobile-nav,
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
}

.mobile-nav {
  z-index: var(--z-menu);
  background-color: var(--color-background);
  overflow-y: auto;
}

.mobile-nav-overlay {
  z-index: calc(var(--z-menu) - 1);
  background-color: rgba(0, 0, 0, 0.42);
}

.mobile-nav-inner-wrapper {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--color-background);
}

.mobile-nav-close {
  align-self: flex-end;
  padding: var(--space-md);
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-dark);
}

.mobile-nav-scroll-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
}

.mobile-nav-link {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  border-radius: var(--ui-card-radius, var(--border-radius-base));
  background-color: var(--color-surface);
  color: var(--color-text-dark);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
}

.mobile-sub-content {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-xs) 0 var(--space-sm);
}

.mobile-tool-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--ui-card-radius, var(--border-radius-base));
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  text-decoration: none;
}

.mobile-tool-card .emoji {
  flex: 0 0 1.5rem;
  text-align: center;
}

.mobile-nav-open {
  overflow: hidden;
}

/* 2026-07-13: backup-version navigation and compact mobile footer refinements. */
@media (min-width: 48.0625rem) {
  html body #emotionMegaMenu .emotion-selector-panel,
  html body #toolsMenu .tools-menu-tabs {
    background-color: #eef3f5 !important;
    border-inline-end: 0 !important;
  }

  html body #emotionMegaMenu .recommendation-panel,
  html body #toolsMenu .tools-menu-content {
    background-color: var(--color-surface, #fff) !important;
  }

  html body #emotionMegaMenu .emotion-item[aria-checked="true"],
  html body #toolsMenu .tab-link[aria-selected="true"] {
    background-color: var(--color-surface, #fff) !important;
    border-left: 0 !important;
    border-inline-start: 0 !important;
    box-shadow: none !important;
  }
}

@media (max-width: 48rem) {
  html body .mobile-nav-scroll-area {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.375rem !important;
    padding: 0.625rem 0.625rem calc(5.5rem + env(safe-area-inset-bottom, 0px)) !important;
  }

  html body .mobile-nav-item {
    margin: 0 !important;
    border: 0 !important;
    border-radius: var(--border-radius-base, 0.5rem) !important;
  }

  html body .mobile-nav-link {
    min-height: 44px !important;
    padding: 0.7rem 0.875rem !important;
    border-radius: var(--border-radius-base, 0.5rem) !important;
  }

  html body .mobile-nav-item.expanded > .mobile-nav-link {
    background-color: var(--color-primary-lighter, #f3f7fa) !important;
  }

  html body .mobile-nav-item.expanded > .mobile-sub-content {
    margin-top: 0.375rem !important;
  }

  html body .mobile-nav-item.expanded #mobileEmotionSubContent,
  html body .mobile-nav-item.expanded #mobileToolsSubContent,
  html body .mobile-nav-item.expanded #mobileCommunitySubContent,
  html body .mobile-nav-item.expanded #mobileLanguageSubContent {
    padding: 0.5rem !important;
  }

  html body #mobileEmotionSubContent > li {
    margin-bottom: 0.375rem !important;
  }

  html body #mobileEmotionSubContent > li:last-child {
    margin-bottom: 0 !important;
  }

  html body .site-footer {
    padding: 0.75rem !important;
  }

  html body .site-footer .footer-container {
    gap: 0.375rem !important;
  }

  html body .site-footer .footer-nav-list {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: stretch !important;
    width: min(100%, 32rem) !important;
    gap: 0.25rem !important;
    margin: 0 !important;
  }

  html body .site-footer .footer-nav-list > :nth-child(-n + 3),
  html body .site-footer .footer-nav-list > :nth-child(n + 4) {
    grid-column: auto !important;
    flex: 0 0 auto !important;
    width: auto !important;
    justify-self: auto !important;
  }

  html body .site-footer .footer-nav-list > .tooltip-wrapper,
  html body .site-footer .footer-nav-list > .tooltip-wrapper > a,
  html body .site-footer .footer-nav-list > a {
    width: auto !important;
    min-width: 0 !important;
  }

  html body .site-footer .footer-nav-list a {
    justify-content: center !important;
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 0.3rem 0.2rem !important;
    gap: 0.22rem !important;
    font-size: var(--font-size-sm, 0.875rem) !important;
    line-height: 1.4 !important;
  }

  html body .site-footer .footer-nav-list .nav-icon {
    width: 1em !important;
    font-size: 0.95em !important;
  }

  html body .site-footer .footer-nav-list .nav-text {
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    word-break: keep-all !important;
    text-align: center !important;
  }

  html body .site-footer .business-info-details {
    font-size: 0.8125rem !important;
    line-height: 1.6 !important;
  }

  html body .site-footer .business-info-list .info-group {
    max-width: 100% !important;
    min-width: 0 !important;
    flex-wrap: wrap !important;
  }

  html body .site-footer .business-info-list dd {
    min-width: 0 !important;
    overflow-wrap: anywhere !important;
    word-break: keep-all !important;
  }

  html body .site-footer .legal-bottom-line {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 0.35rem !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  html body .site-footer .copyright-wrapper {
    display: inline-flex !important;
    flex: 0 1 auto !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 0.18rem !important;
    min-width: 0 !important;
    white-space: normal !important;
    font-size: 0.8125rem !important;
    line-height: 1.5 !important;
  }

  html body .site-footer .copyright,
  html body .site-footer .biz-info-toggle,
  html body .site-footer .copyright-wrapper > span {
    white-space: normal !important;
  }

  html body .site-footer .copyright {
    overflow-wrap: anywhere !important;
    word-break: keep-all !important;
  }

  html body .site-footer .biz-info-toggle {
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 0.2rem !important;
    font-size: inherit !important;
  }
}

@media (max-width: 23.5rem) {
  html body .site-footer .copyright-wrapper {
    font-size: 0.8125rem !important;
  }

  html body .site-footer .legal-bottom-line {
    gap: 0.2rem !important;
  }
}

@media (max-width: 30rem) {
  html body .site-footer .footer-nav-list {
    justify-content: space-between !important;
    width: 100% !important;
    gap: 0 !important;
  }

  html body .site-footer .footer-nav-list a {
    min-width: 44px !important;
    min-height: 44px !important;
    padding: 0.3rem clamp(0.16rem, 0.7vw, 0.3rem) !important;
    gap: 0 !important;
    font-size: var(--font-size-sm, 0.875rem) !important;
  }

  html body .site-footer .footer-nav-list .nav-icon,
  html body .site-footer .footer-mobile-suffix,
  html body .site-footer .footer-share-prefix {
    display: none !important;
  }
}